Vastar 8pcs Multi-color Replacement Fitbit Flex Bands with 8pcs Clasps and 8pcs Silicon Fastener Rings for Fitbit Flex Wireless Activity Bracelet Sport Wristband (Large Size) Large Size(6.3-8.3 inches) Material: 100% high quality silicone Perfect fit for your Fitbit Flex activity tracker and comfortable wearing experience Sets including 8 Color Wristband and 8 Pcs Black Metal Clasps, 8 Replacement Silicon Fastener. Stylish wristband to match your daily style with this brand new color choices For Fitbit Flex Wristband Only! Not for For Fitbit One, Force or other models.